leaves of poplar tree (populus nigra, black poplar) and fluff on catkins - the source of the allergy

---

Size: 2600px × 3900px
Photo credit: © Valery Voennyy / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: allergen, allergic, allergy, ament, black, blossom, blossoming, branch, catkin, close, detail, disease, environment, fluff, foliage, green, june, leaf, leaves, moscow, natural, nature, nigra, oral, outdoor, pollen, pollution, poplar, populus, reason, russia, scenic, season, seasonal, seed, source, spike, summer, syndrome, tree, twig, view, white